.bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://img.zcool.cn/community/0199b2554590bc0000019ae9841c65.jpg@2o.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    z-index: -100;
}

.auth {
    // display: flex;
    // flex-direction: column;
    // justify-content: center;
    // align-items: center;
    // margin-top: 100px;
    .title-info {
        text-align: center;
        margin-top: 100px;
        display: flex;
        justify-content: center;
        img {
            width: 60px;
            height: 60px;
            border-radius: 20%;
        }
        .title {
            line-height: 60px;
            margin-left: 20px;
        }
    }
    .form {
        width: 300px;
        margin: auto;
        .item {
            margin-bottom: 16px;
            button {
                width: 100%;
            }
        }
    }
}